1. formaldehyde
2. paradichlorobenzene
3. tobacco smoke
4. toronto smog
5. pesticides
Beacuse they died long time ago
Answer:
sry I just wanted the points I'm in middle school so I don't know this stuff either but can you give free brainlyest I'm soo close to my next rank
Adenine will always trancribe to Uracil
Thymine will always transcribe to Adenine
Cytosine will always transcribe to Guanine
Guanine will always trancribe to Cytosine
Answer is CUCAAUGAU
American black bear, Cougar, Big Horn Sheep and some others.
